Houston Astros retired numbers
Houston Astros - Wikipedia
The Houston Astros have retired 9 numbers of former players
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New York Retired Numbers Set 24 Individual 3-inch Blue
Photo Story: Houston Astros Retire Craig Biggio's Number
Houston Astros - Wikipedia
Mets retire Willie Mays' number in Old-Timers' Day surprise
Houston Astros retired numbers
Houston Astros retired numbers
Houston Astros - Wikipedia